This is simple demo of fileUpload Controls
Simple copy following code and paste on webform and run.
Multiple File Upload
<%@Page Language="C#"%>
<HTML>
<HEAD>
<TITLE>
Multiple Files Uploading Using C# - Demo
</TITLE>
</HEAD>
<BODY>
<script language="C#" runat="Server">
//Event handler for the upload button
void UploadFile(object Sender,EventArgs E)
{
int IntLoop=0;
//Iterating through the Request.Files collection
for(IntLoop=0;IntLoop<Request.Files.Count;IntLoop++)
{
if (Request.Files[IntLoop] !=null) //Checking for valid file
{
// Since the FileName gives the entire path we use Substring function to rip of the filename.
string StrFileName =Request.Files[IntLoop].FileName.Substring(Request.Files[IntLoop].FileName.LastIndexOf("\\") + 1) ;
string StrFileType = Request.Files[IntLoop].ContentType ;
int IntFileSize =Request.Files[IntLoop].ContentLength;
//Checking for the file length. If length is 0 then file is not uploaded.
if (IntFileSize <=0)
Response.Write(" <font color='Red' size='2'>Uploading of file " + StrFileName + " failed. </font><br>");
else
{
//Saving the file to the web server
Request.Files[IntLoop].SaveAs(Server.MapPath(".\\" + StrFileName));
Response.Write( "<font color='green' size='2'>Your file " + StrFileName + " of type " + StrFileType + " and size " + IntFileSize.ToString() + " was uploaded successfully.</font><br>");
}
}
}
Response.Write("<br>Click <a href='MultipleFileUploadDemo.aspx'>here</a> to upload more files");
}
</script>
<%if(!Page.IsPostBack)
{
%>
<!-- Declaration of server side form.Note the enctype attribute of the form has to be set to multipart/form-data -->
<basefont size="2">
<form id="FrmFileUploadDemo" name="FrmFileUploadDemo" method="post" enctype="multipart/form-data" runat="server">
<TABLE align="center" cellspacing="5">
<TR>
<TD>
<font size="2">Select a file to upload</font> <input type="file" id="File1" name="File1" runat="server">
</TD>
<TR>
<TR>
<TD>
<font size="2">Select a file to upload</font> <input type="file" id="File2" name="File2" runat="server">
</TD>
<TR>
<TR>
<TD>
<font size="2">Select a file to upload</font> <input type="file" id="File3" name="File3" runat="server">
</TD>
<TR>
<TR>
<TD align="center">
<asp:button value="Upload" Text="Upload" runat="server" id="CmdUpload" onClick="UploadFile" />
</TD>
</TR>
</TABLE>
</form>
<%}%>
</font>
</BODY>
</HTML>